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The Ontario Geological Survey began mapping in the Uchi-Confederation greenstone belt shortly after the discovery of theSelco Incorporated Cu-Zn-Ag orebody at Confederation Lake in1969. Detailed mapping of 14 townships and 100 square miles ofunsubdivided territory and 1:50,000 scale mapping of the BirchLake area to the north followed through to 1978. This reportdescribes a synoptic project covering 375 square miles in thesouthern part of the area. The report describes the stratigraphyof three cycles of mafic to felsic volcanism, includinggeochronological data, and a paleovolcanological reconstruction. Geochemical work done as part of this synoptic project isdescribed in a separate Ontario Geological Survey publication.
Review of geological research related to the Canadian Shield provides papers covering topics such as these: gravity profiles across the Sleepy Dragon Complex in the Slave structural province, Northwest Territories; surficial geology & implications for drift prospecting, Hope Bay area NWT; metallogeny in the western Churchill Province; Precambrian geology progress report in Keewatin; various papers about the Kaminak greenstone belt, NWT; tectonostratigraphy of central Sturgeon Lake, Ontario; structural transect of the central Wabigoon subprovince, Ont.; sedimentology of the Oak Ridges Moraine, Ont.; origin of the Kipawa syenite complex, Quebec; the Obedjiwan nepheline syenite, Que.; and geochemistry & petrogenesis of the Lapeyrère gabbronorite, Que.